Syrmpas Ιωάννης, Digelidis Νικόλαος, Koutelidas Αχίλλειος, and Rempelou Μαρία. “4th And 5th Grade Students’ Knowledge Development Concerning Blood Circulation During Exercise”. Inquiries in Physical Education and Sport 10, no. 3 (November 15, 2012): 37–51. Accessed July 24, 2024. https://journals.lib.uth.gr/index.php/inquiries/article/view/1386.